Original Title: 暗い部屋
Romaji: Kurai Heya
Released Date: 2010-06-30
Company, Producer: 暗い部屋制作委員会 (Kurai Heya Production Committee)
Writer: 唐辺葉介 (Karabe Yousuke)
VNDB: https://vndb.org/v4703
Getchu link: N/A (I could only find an amazon link for this)...